Hpd Pistons

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HPd® 29940 Hwy 169 NW, Princeton, MN 55371
Ph: 763-389-3336
Fax: 763-389-1474

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Version 4 NEW DOME DESIGN High Compression Pistons SOLD EACH 30 Grams lighter than stock	RZR High Compression Pistons Pump or Race Gas Version 4, NEW DOME DESIGN, Shorter Flame Travel, Faster Squish Velocity, More Complete Combustion produces more Horse Power. 11.2 to 1 and 12.2 to 1 Forged Pistons, --Improved combustion pocket, --Improved squish area and valve clearance, -- 30g lighter weight and Improved strength, --Anti-detonation rings Forced wrist pin oiling, --Anti-friction coating.		11.2 to 1 PART #RZRP112 • LIST $159.00 EACH Qty:
			12.2 to 1 Need to use Low Octane Race Gas PART #RZRP12.2 • LIST $159.00 EACH Qty:
PTO 13.3 to 1 (Need to use Race Gas) PART #RZRP133P • LIST $159.00 EACH Qty:		Mag 13.3 to 1 (Need to use Race Gas) PART #RZRP133M • LIST $159.00 EACH Qty:


WISECO Forged Pistons Due to past experience with broken pistons on modified ATVs, we require WISECO pistons be used on all modified engines, and recommend them for all others. Includes: Piston, rings, pin, and clips. REQUIRES: Cylinder honing or boring.	250 ATV Piston Std./Oversize: Std PART # 536PS • LIST $133.10 Qty:		400 ATV Piston Std./Oversize: Std PART # 675PS • LIST $143.81 Qty:
	250 ATV Piston Std./Oversize: .020 PART # 536P2 • LIST $133.10 Qty:		400 ATV Piston Std./Oversize: .020 PART # 675P2 • LIST $143.81 Qty:
	250 ATV Piston Std./Oversize: .040 PART # 536P4 • LIST $133.10 Qty:		400 ATV Piston Std./Oversize: .040 PART # 675P4 • LIST $143.81 Qty:
	250 ATV Piston Std./Oversize: .060 PART # 536P6 • LIST $146.39 Qty:		400 ATV Piston Std./Oversize: .060 PART # 675P6 • LIST $158.18 Qty:
	250 ATV Piston Std./Oversize: .080 PART # 536P8 • LIST $146.39 Qty:		400 ATV Piston Std./Oversize: .080 PART # 675P8 • LIST $158.18 Qty:

Lite Weight Big Bore Piston (104.9 MM ... 12.5:1 Compression ... 558cc)	Predator & Outlaw 500 This big bore piston has an improved dome shape with 12.5:1 compression. Designed to be used with stock engines, but has valve relief for higher lift and longer duration cam. NOTE: Cylinder must be sleeved. (See below). Premium fuel required. Big bore piston assembly is 26.6 grams lighter. NOTE: Now would be a good time to install valve springs. You'll save the cost of another set of gaskets.		PART # 4914M105BB • LIST $203.06 Qty: Note: Use Big Bore Head Gasket #3087948BB
			Replacement Piston Rings for Big Bore PART #4127GFX • LIST $43.21 Qty:

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WISECO Replacement Rings for 400s	Standard size PART # 3268TD • LIST $35.77 Qty:		.080 Oversize PART # 3347TD • LIST $35.77 Qty:
	.020 Oversize PART # 3287TD • LIST $35.77 Qty:		.020 Oversize PART # 3287TD • LIST $35.77 Qty:
	.040 Oversize PART # 3307TD • LIST $35.77 Qty:		.160 Oversize PART # 3425TD • LIST $35.77 Qty:
	.060 Oversize PART # 3327TD • LIST $35.77 Qty:		.180 Oversize PART # 3445TD • LIST $35.77 Qty:
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HPd® 29940 Hwy 169 NW, Princeton, MN 55371 Ph: 763-389-3336 Fax: 763-389-1474

PISTONS - Click here to go to gaskets

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HPd® 29940 Hwy 169 NW, Princeton, MN 55371
Ph: 763-389-3336
Fax: 763-389-1474